#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>

int main()
{
	int arr1[] = { 1,2,3,4,5,6,7,8 };
	int arr2[] = { 1,2,3,4,9,7,6,8 };
	int ret1 = memcmp(arr1, arr2, 16);
	int ret2 = memcmp(arr1, arr2, 20);
	printf("%d %d\n", ret1, ret2);
	return 0;
}